| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Aalesund | NM Cup | 2 | 0 | 0 | 1 | 0 | – |
| 2025 | Aalesund | NM Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2024 | Hafnarfjordur | League Cup | 4 | 0 | 0 | 0 | 0 | – |
| 2023 | Hafnarfjordur | Icelandic Cup | 3 | 0 | 0 | 1 | 0 | – |
| 2023 | Hafnarfjordur | League Cup | 4 | 1 | 0 | 0 | 0 | – |
| 2022 | Hafnarfjordur | Icelandic Cup | 3 | 0 | 0 | 1 | 0 | – |
| 2022 | Hafnarfjordur | League Cup | 7 | 1 | 0 | 0 | 0 | – |
| 2021 | Hafnarfjordur | Icelandic Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021 | Breidablik | Fotbolti.net Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2020 | Breidablik | Fotbolti.net Cup | 1 | 1 | 0 | 0 | 0 | – |
| Total | 29 | 3 | 0 | 3 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Hafnarfjordur | Aalesund | Transfer | |
| - | Haukar | Hafnarfjordur | Transfer | |
| - | Grindavik | Haukar | Return from loan | |
| - | Haukar | Grindavik | Loan | |
| 08 dic 2020 | Keflavik | Haukar | Return from loan | |
| 07 ene 2020 | Haukar | Keflavik | Loan | |
| - | Breidablik | Haukar | ||
| 07 feb 2019 | Augnablik | Breidablik | Return from loan | |
| - | Breidablik | Augnablik | Loan |
O. Gudmundsson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.